{"id":"CVE-2011-1529","aliases":["DEBIAN-CVE-2011-1529","DSA-2379-1","EUVD-2011-1530","GHSA-54mf-f57f-83fj","RHSA-2011:1379","openSUSE-SU-2024:10004-1"],"status":"published","title":"The lookup_lockout_policy function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka...","description":"The lookup_lockout_policy function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8 through 1.8.4 and 1.9 through 1.9.1, when the db2 (aka Berkeley DB) or LDAP back end is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via vectors that trigger certain process_as_req errors.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.04046,"percentile":0.90696,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2011-10-20T21:00:00Z","modified":"2026-10-23T17:47:49Z","fixes":[{"ecosystem":"Debian:12","package":"krb5","fixed_in":["1.10+dfsg~alpha1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"krb5","fixed_in":["1.10+dfsg~alpha1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"krb5","fixed_in":["1.10+dfsg~alpha1-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10+dfsg~alpha1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10+dfsg~alpha1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10+dfsg~alpha1-1"}]}]},{"source":"osv","ecosystem":"Debian:6.0","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.3+dfsg-4squeeze5"}]}],"versions":["1.8.3+dfsg-4","1.8.3+dfsg-4squeeze1","1.8.3+dfsg-4squeeze2"],"bundled":2},{"source":"osv","ecosystem":"Red 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Resource","web"]},{"url":"http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-006.txt","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","article"]},{"url":"http://www.redhat.com/support/errata/RHSA-2011-1379.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1529","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-54mf-f57f-83fj"},{"url":"https://security-tracker.debian.org/tracker/CVE-2011-1529","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2011:1379","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=737711","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2011/rhsa-2011_1379.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2011-1527","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-1527","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1527","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2011-1528","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-1528","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1528","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2011-1529","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-1529","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2002-2443","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2009-0844","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2009-0845","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2009-0846","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2009-0847","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2009-3295","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2009-4212","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-0283","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-0628","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-1320","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-1321","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-1322","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-1323","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-1324","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-4020","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-4021","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-4022","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-0281","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-0282","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-0284","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-0285","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-1527","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-1528","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-1529","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-1530","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-1012","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-1013","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-1016","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1415","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1417","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1418","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-4341","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-4342","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-4343","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-4344","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-4345","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-5351","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-5352","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-5353","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-5354","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-5355","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-9421","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-9422","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-9423","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-2694","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-2695","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-2696","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-2697","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-2698","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8629","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8630","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8631","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-3119","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-3120","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2011-1529","description":"The lookup_lockout_policy function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8 through 1.8.4 and 1.9 through 1.9.1, when the db2 (aka Berkeley DB) or LDAP back end is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via vectors that trigger certain process_as_req errors.","status":"published","published":"2011-10-20T21:00:00Z","modified":"2024-08-06T22:28:41.834Z","updated_at":"2026-11-02T14:35:38.711857Z"}],"euvd":[{"id":"EUVD-2011-1530","description":"The lookup_lockout_policy function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8 through 1.8.4 and 1.9 through 1.9.1, when the db2 (aka Berkeley DB) or LDAP back end is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via vectors that trigger certain process_as_req errors.","status":"published","published":"2011-10-20T21:00:00Z","modified":"2024-08-06T22:28:41Z","updated_at":"2026-11-03T01:55:56.243798Z"}],"ghsa":[{"id":"GHSA-54mf-f57f-83fj","title":"The lookup_lockout_policy function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka...","description":"The lookup_lockout_policy function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8 through 1.8.4 and 1.9 through 1.9.1, when the db2 (aka Berkeley DB) or LDAP back end is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via vectors that trigger certain process_as_req errors.","status":"published","published":"2022-05-13T01:28:52Z","modified":"2023-02-01T05:07:49Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:50:37.203795Z"}],"nvd":[{"id":"CVE-2011-1529","description":"The lookup_lockout_policy function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8 through 1.8.4 and 1.9 through 1.9.1, when the db2 (aka Berkeley DB) or LDAP back end is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via vectors that trigger certain process_as_req errors.","status":"published","published":"2011-10-20T21:55:00.98Z","modified":"2026-06-16T23:29:33.77Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:10.769216Z"}],"osv":[{"id":"CVE-2011-1529","description":"The lookup_lockout_policy function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8 through 1.8.4 and 1.9 through 1.9.1, when the db2 (aka Berkeley DB) or LDAP back end is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via vectors that trigger certain process_as_req errors.","status":"published","published":"2011-10-20T21:55:00Z","modified":"2026-04-10T03:41:44.937663Z","updated_at":"2026-11-02T15:43:58.279353Z"},{"id":"DEBIAN-CVE-2011-1529","description":"The lookup_lockout_policy function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8 through 1.8.4 and 1.9 through 1.9.1, when the db2 (aka Berkeley DB) or LDAP back end is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via vectors that trigger certain process_as_req errors.","status":"published","published":"2011-10-20T21:55:00.98Z","modified":"2026-10-23T17:47:49.012344008Z","updated_at":"2026-11-02T15:45:24.612044Z"},{"id":"DSA-2379-1","title":"krb5 - several","status":"published","published":"2012-01-04T00:00:00Z","modified":"2026-03-09T01:22:12.964545Z","updated_at":"2026-11-02T15:46:15.489951Z"},{"id":"openSUSE-SU-2024:10004-1","title":"krb5-1.15-1.1 on GA media","description":"These are all security issues fixed in the krb5-1.15-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:18:07.629761Z","updated_at":"2026-11-02T16:58:33.135986Z"},{"id":"RHSA-2011:1379","title":"Red Hat Security Advisory: krb5 security update","status":"published","published":"2024-09-15T19:28:01Z","modified":"2026-01-29T10:55:15.082002Z","updated_at":"2026-11-02T15:53:01.003286Z"}]}}